[Frost and fire : natural engines, tool-marks and chips : with sketches taken at home and abroad by a traveller] . e groove ^^ in the shelf L. But this cliff is a repetition of the sea-cliff only raised astep ; and here and there are beds of rolled stones and sand,which are identical with those on the beach, and in the shell was found in the few minutes that could be sparedfor a search ; but a more perfect sample of a raised sea-bottom would be hard to find. The brim of the hat is araised sea-mark, and the cliff which bounds this plain is asecond sea-mark—a second shelf—a copy of the cl


[Frost and fire : natural engines, tool-marks and chips : with sketches taken at home and abroad by a traveller] . e groove ^^ in the shelf L. But this cliff is a repetition of the sea-cliff only raised astep ; and here and there are beds of rolled stones and sand,which are identical with those on the beach, and in the shell was found in the few minutes that could be sparedfor a search ; but a more perfect sample of a raised sea-bottom would be hard to find. The brim of the hat is araised sea-mark, and the cliff which bounds this plain is asecond sea-mark—a second shelf—a copy of the cliff steps may be traced from Snsefell to Borgar Fjord;and there are many smaller steps where the low land iswide. But there are other marks over the neck of the A ,.> 0 Li^ieiM 9v^^ C^-f^ /-. ^- (P^^^.^ /ii^r CHAPTER I. •vi and liter, lates ng,dust was all are on 3iie, cn diyi toava theI it lize ?m itpputu dh lUJuy, Ihen models, drawnigs, descriptions, or even traces of work donei^y natural steam-engines, are comprehensible. - -- .V ., z^^. \ r Y f)^ -^^^ ? -f L^i-^e V ^ X ?^. CHAPTER I. CINDER HEAPS. A CERTAIN hardy English traveller, in excellent health andspirits, returning from Iceland, with the appetite of a hunter,and the condition of a race-horse ; declared to his shipmatesthat the country was not worth seeing. It was nothing,he said, but a big cinder heap, as interesting as the dusthills at Wolverhampton, and not a whit more fertile. The travellers description, though not complimentary, waspretty accurate. Volcanic products are very like furnace refuse, and allIceland is volcanic; but cinder heaps, great and small, areworth sifting, for they throw light upon each other, and ondark subjects. Slag, Lava, and Trap, were all melted stone,and they are equally products of heat. Even in a cinder heap there is much to be learned. One branch of geology may be studied at a foundrywhere stones are melted; but something is first wanted tobridge over the


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Keywords: ., bookpublisheredinburghsn, booksubjectgeo, booksubjectmeteorology